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What does a second battery do?

 

Bronze Member
Username: Baseballsc

Post Number: 27
Registered: Aug-05
www.bcae1.com said a second battery will only help while the engine is off. I was under the impression that it would serve a "buffer" preventing voltage rails when the alt couldnt keep up, like at idle. Am I wrong?
 

Gold Member
Username: Mikechec9

Http://www.cardomain.c...

Post Number: 1056
Registered: May-05
without an isolator, it actually makes charging considerably more difficult for the alternator.
 

Bronze Member
Username: Baseballsc

Post Number: 28
Registered: Aug-05
so what will the isolator do, and where can i get one?
 

Silver Member
Username: Kd7nfr

Montpelier, ID United States

Post Number: 928
Registered: Apr-05
It'll keep the second battery from being connected to the rest of the electrical system while the car isn't charging.
 

Bronze Member
Username: Baseballsc

Post Number: 29
Registered: Aug-05
will the second battery help my problem when the car is at idle?
 

jimjonson
Unregistered guest
"It'll keep the second battery from being connected to the rest of the electrical system while the car isn't charging."

So how do u charge te 2nd battery? Wont it run outta charge faster?
 

Platinum Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 10569
Registered: Dec-03
http://www.wickedcases.com/caraudio/capacitors.html
http://www.wickedcases.com/caraudio/charging.html
http://www.betteraudio.com/geolemon/newmain/battcapalt/
http://www.bcae1.com/charging.htm
http://www.bcae1.com/chargin2.htm
http://www.wickedcases.com/caraudio/batteries.html
http://www.optimabatteries.com/
 

Anonymous
 
thanks boss
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